﻿namespace iFinance.App
{
    using System;
    using System.Windows;
    using System.Windows.Controls;
    using iFinance.IDAL;
    using iFinance.Infrastructure;
    using iFinance.Infrastructure.Events;
    using iFinance.Infrastructure.Services;
    using iFinance.Modules.Authorization;
    using iFinance.Modules.Authorization.ViewModels;
    using iFinance.Modules.BasicInfo;
    using iFinance.Modules.Outgoings.ViewModels;
    using iFinance.SqoDAL;
    using Microsoft.Practices.Prism.Events;
    using Microsoft.Practices.Unity;
    using iFinance.Modules.Outgoings.Views;

    public partial class App : Application
    {
        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
            InitUnityContainer();
        }

        #region RegisterMethod

        /// <summary>
        /// 初始化容器
        /// </summary>
        private void InitUnityContainer()
        {
            UnityHelper.Container.RegisterType<IEventAggregator, EventAggregator>(new ContainerControlledLifetimeManager());
            UnityHelper.Container.RegisterType<LoginViewModel, LoginViewModel>();
            UnityHelper.Container.RegisterType<OutgoingsViewModel, OutgoingsViewModel>(new ContainerControlledLifetimeManager());
            UnityHelper.Container.RegisterType<IBasicInfoService, BasicInfoService>(new ContainerControlledLifetimeManager());
            UnityHelper.Container.RegisterType<IChildWindowService, ChildWindowService>(new ContainerControlledLifetimeManager());
            RegisterDAO();
            RegisterChildWindow();
        }

        /// <summary>
        /// 注册数据库操作类
        /// </summary>
        private void RegisterDAO()
        {
            UnityHelper.Container.RegisterType<IUserDAO, UserDAO>(new ContainerControlledLifetimeManager());
            UnityHelper.Container.RegisterType<IOutgoingsDAO, OutgoingsDAO>(new ContainerControlledLifetimeManager()); 
        }

        /// <summary>
        /// 注册各种ChildWindow
        /// </summary>
        private void RegisterChildWindow()
        {
            var service = UnityHelper.Container.Resolve<IChildWindowService>();
            if (service != null)
            {
                service.Register<OutgoingsMaintainViewModel, OutgoingsMaintainView>();
            }
        }

        #endregion

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            var loginView = new LoginView();
            var viewModel = UnityHelper.Container.Resolve<LoginViewModel>();
            //TODO TestData
            viewModel.UserID = "yingql";
            viewModel.Password = "111111";
            loginView.DataContext = viewModel;
            Grid grid = new Grid();
            grid.Children.Add(loginView);
            this.RootVisual = grid;
            UnityHelper.Container.Resolve<IEventAggregator>().GetEvent<LoginSuccessEvent>().Subscribe(ShowMainView);
        }

        public void ShowMainView(string userID)
        {
            Grid grid = this.RootVisual as Grid;
            grid.Children.Clear();
            grid.Children.Add(new MainPage());
        }

        private void Application_Exit(object sender, EventArgs e)
        {

        }

        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }

        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
            }
            catch (Exception)
            {
            }
        }
    }
}
